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Class Information
Number: 455/86
Name: Telecommunications > Transmitter and receiver at same station (e.g., transceiver) > With a common signal processing stage > Transmitter oscillator used as local oscillator
Description: Subject matter wherein the active element circuitry which produces the carrier during transmission also produces the oscillatory signal with which the received signal is heterodyned.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7580683 |
Radio transceiver on a chip |
Aug. 25, 2009 |
| 7541966 |
Apparatus and method for demodulating a modulated signal |
Jun. 2, 2009 |
| 7542731 |
Radio frequency transceiver |
Jun. 2, 2009 |
| 7536164 |
Controlling the frequency of an oscillator |
May. 19, 2009 |
| 7519332 |
Radio-frequency radiocommunication apparatus |
Apr. 14, 2009 |
| 7519333 |
Radio architecture for use with frequency division duplexed systems |
Apr. 14, 2009 |
| 7477879 |
Transceiver system with common receiver and transmitter oscillator |
Jan. 13, 2009 |
| 7474709 |
Frequency shift keying modulator and applications thereof |
Jan. 6, 2009 |
| 7469128 |
Wideband digital radio with transmit modulation cancellation |
Dec. 23, 2008 |
| 7457617 |
CMOS wireless transceiver with programmable characteristics |
Nov. 25, 2008 |
| 7421250 |
Radio frequency integrated circuit |
Sep. 2, 2008 |
| 7421251 |
Precise frequency generation for low duty cycle transceivers using a single crystal oscillator |
Sep. 2, 2008 |
| 7389087 |
Adaptive radio transceiver with filtering |
Jun. 17, 2008 |
| 7386278 |
Multi-band mobile communication device |
Jun. 10, 2008 |
| 7383025 |
Method for processing RF signals for receiving and transmission |
Jun. 3, 2008 |
| 7369816 |
Highly accurate temperature sensor employing mixed-signal components |
May. 6, 2008 |
| 7349347 |
ASK communication device |
Mar. 25, 2008 |
| 7349673 |
Adaptive radio transceiver with an antenna matching circuit |
Mar. 25, 2008 |
| 7349672 |
Digital signal transceiver |
Mar. 25, 2008 |
| 7324789 |
PLL frequency synthesizer architecture for low phase noise and reference spurs |
Jan. 29, 2008 |
| 7272170 |
Single oscillator transceiver |
Sep. 18, 2007 |
| 7263334 |
Directional coupler for use in VCO unequal power splitting |
Aug. 28, 2007 |
| 7236740 |
Data retransmission apparatus and method in a mobile communication system employing HARQ technique |
Jun. 26, 2007 |
| 7233772 |
Adaptive radio transceiver with filtering |
Jun. 19, 2007 |
| 7224944 |
RF transceiver having a directly radiating transistor |
May. 29, 2007 |
| 7212787 |
Wireless audio transmission system |
May. 1, 2007 |
| 7203466 |
Transmitting and receiving unit |
Apr. 10, 2007 |
| 7203465 |
Receiver/transmitter circuit |
Apr. 10, 2007 |
| 7184714 |
Frequency domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver using loopback connection |
Feb. 27, 2007 |
| 7181181 |
Multi-band transceiver for a wireless communication system |
Feb. 20, 2007 |
| 7155175 |
Reduction of parasitic impedances in a phase-locked loop |
Dec. 26, 2006 |
| 7139540 |
Adaptive radio transceiver with calibration |
Nov. 21, 2006 |
| 7136622 |
Adaptive radio transceiver with noise suppression |
Nov. 14, 2006 |
| 7133648 |
Bidirectional multi-gigabit transceiver |
Nov. 7, 2006 |
| 7120427 |
CMOS wireless transceiver with programmable characteristics |
Oct. 10, 2006 |
| 7116945 |
Adaptive radio transceiver with an antenna matching circuit |
Oct. 3, 2006 |
| 7113744 |
Adaptive radio transceiver with a power amplifier |
Sep. 26, 2006 |
| 7110726 |
RF ASIC for subscriber communicator |
Sep. 19, 2006 |
| 7107015 |
ISM band to U-NII band frequency transverter and method of frequency transversion |
Sep. 12, 2006 |
| 7088963 |
Architecture for cordless telephones |
Aug. 8, 2006 |
| 7085308 |
Searching in dual-mode communications system |
Aug. 1, 2006 |
| 7082293 |
Adaptive radio transceiver with CMOS offset PLL |
Jul. 25, 2006 |
| 7065329 |
Half duplex radio transceiver with low IF receiver |
Jun. 20, 2006 |
| 7035596 |
Multi-mode cellular phone terminal |
Apr. 25, 2006 |
| 7031748 |
Radio signal receiving apparatus and demodulating circuit |
Apr. 18, 2006 |
| 7027833 |
Dual band superheterodyne receiver |
Apr. 11, 2006 |
| 7024165 |
ISM band to U-NII band frequency transverter and method of frequency transversion |
Apr. 4, 2006 |
| 6996377 |
PLL circuit and radio communication terminal apparatus using the same |
Feb. 7, 2006 |
| 6996165 |
Single oscillator transceiver frequency plan |
Feb. 7, 2006 |
| 6987951 |
Transceiver for duplex operation |
Jan. 17, 2006 |
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